diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 78178ba7f0c..785fcb5fa1e 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -642,12 +642,7 @@ int bt_smp_send_security_req(struct bt_conn *conn)
 	}
 
 	req = bt_buf_add(req_buf, sizeof(*req));
-
-	req->auth_req = BT_SMP_AUTH_BONDING;
-
-	if (conn->required_sec_level >= BT_SECURITY_HIGH) {
-		req->auth_req |= BT_SMP_AUTH_MITM;
-	}
+	req->auth_req = get_auth(BT_SMP_AUTH_BONDING);
 
 	bt_l2cap_send(conn, BT_L2CAP_CID_SMP, req_buf);